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Crushing Properties of Coal 2. Binary Coal Blends
Coke and Chemistry ( IF 0.4 ) Pub Date : 2021-03-11 , DOI: 10.3103/s1068364x20110046
D. V. Miroshnichenko , V. V. Koval , S. V. Fatenko , Y. V. Nikolaichuk

Abstract

The Hardgrove grindability index HGI of binary coal blends is determined. The blends contain coal of different metamorphic development in different proportions. Mathematical formulas permit prediction of HGI for a coal blend on the basis of the grinding indices for its individual components. For a binary coal blend with separate preparation of the components, HGI is found to exceed the calculated value (by 3.6, on average). For a blend with integrated preparation of the components, it is less than the calculated value (by 3.6, on average). Crushing of the whole batch is found to require more energy than differential crushing of the batch components.



中文翻译:

煤的破碎特性2.二元煤混合物

摘要

确定了二元煤混合物的Hardgrove可磨性指数HGI。共混物包含不同比例的不同变质发育的煤。通过数学公式,可以根据煤混合物的各个组分的磨削指数来预测其HGI。对于单独制备各组分的二元煤混合物,发现HGI超过了计算值(平均高出3.6)。对于组分整体制备的共混物,它小于计算值(平均降低3.6)。发现压碎整个批次比压碎批次组分需要更多的能量。

更新日期:2021-03-11
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